PODCAST

KGNU - How On Earth

The KGNU Science Show

science natural sciences

All Episodes

24:31

Haitian Seismologists//Changing Antarctic Climate

KGNU - How On Earth ·

2013/01/15

Feature #1: (start time: 06:03) On January 12, 2010, just over three years ago, a magnitude 7 earthquake shook Haiti, taking more than 200,000 lives and displacing an estimated 2 million. Still today, the International Organization for Migration estimates hundreds of thousands of people are without permanent homes, and in many ways Haiti seems no … Continue reading "Haitian Seismologists//Changing Antarctic Climate"

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23:10

Medical Marijuana and Traffic Accidents//Ron Rosedale...

KGNU - How On Earth ·

2013/01/09

HEADLINES: Diabetes Drug Metformin – University of Pennsylvania Researcher Morris Birnbaum reports in Nature that Metformin blocks a hormone that tells the liver to melt muscle to make more blood sugar. (Go here for an extended interview with Morris Birnbaum) Climate Change – Research shows that timely political action has a bigger impact than waiting. … Continue reading "Medical Marijuana and Traffic Accidents//Ron Rosedale Critiques Body Mass Index Study"

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53:49

Metformin Lowers Blood Sugars by Blocking the Hormone...

KGNU - How On Earth ·

2013/01/09

This is an extended version of the January 8th, 2013 interview with Morris Birnbaum, about how Metformin lowers blood sugars in diabetics by blocking the hormone glucagon.

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34:16

New Study on BMI (Body Mass Index) and Longevity –...

KGNU - How On Earth ·

2013/01/09

This is an extended version of the interview we broadcast on January 8th, 2013, featuring Ron Rosedale discussing the new study about BMI and Longevity.

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15:27

Medical Marijuana and Reduced Traffic Fatalities –...

KGNU - How On Earth ·

2013/01/09

This is an extended interview with University of Montana Economist Mark Anderson, from the January 8th How On Earth broadcast.

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12:25

Marijuana and Pot as Substitutions – Extended...

KGNU - How On Earth ·

2013/01/08

This is an extended interview from the January 8th, 2013 HowonEarth.

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24:45

State Climatologist // Water Contamination

KGNU - How On Earth ·

2012/12/19

Feature #1: (start time 5:09) Did you know that Colorado, and for that matter most states, have their own “state climatologist” – an expert who keeps tabs on the changing climate and its impacts in the state. In Colorado’s case it’s Nolan Doesken. He’s based out of the Colorado Climate Center at Colorado State University. … Continue reading "State Climatologist // Water Contamination"

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22:59

Robert Arentz – Asteroid Impact Hazards & Ball Aerospace

KGNU - How On Earth ·

2012/12/12

Main Feature (starts at 5:25). We talk with Dr. Robert Arentz from Ball Aerospace in Boulder about what’s new and interesting at Ball and in space missions in general including asteroid impact hazards on Earth and what can be done about it. Hosts: Joel Parker and Jim Pullen Producer: Joel Parker Engineer: Joel Parker Executive Producer: Jim Pullen Listen … Continue reading "Robert Arentz – Asteroid Impact Hazards & Ball Aerospace"

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24:47

The Fat Switch – Richard Johnson MD

KGNU - How On Earth ·

2012/12/04

Headlines: Chemicals that make drinking water cleaner, might increase allergies to food Rumors run amok about “historic” Mars Mission press conference West Nile Virus, Lyme’s disease, and Dengue fever on the rise Main feature (6 minutes in): We’re in that time of year when animals hibernate. Before they started their long winter’s nap, they … Continue reading "The Fat Switch – Richard Johnson MD"

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23:01

The American Gut – What’s in YOUR Gut?

KGNU - How On Earth ·

2012/11/27

We share three new findings that include contributions from Colorado scientists: 1. Diane McKnight coauthors study about Bacteria that thrive in a frigid hell-hole – the pitch-dark, super-salty, poisonous Lake Vida in Antarctica, 2. William Colgan offers new ways to calculate a glacier’s melting rates, 3. Alicia Karspeck offers a new weather forecast – Cloudy with … Continue reading "The American Gut – What’s in YOUR Gut?"

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24:09

Bernie Krause

KGNU - How On Earth ·

2012/11/25

Today on How On Earth we speak with Dr. Bernie Krause about how soundscapes can help us understand the health of ecosystems. Dr. Krause has been recording the whole sounds of nature all over the world for 40 years. His new book is The Great Animal Orchestra: Finding the Origins of Music in the World’s … Continue reading "Bernie Krause"

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23:18

Clean Tech Nation//Feedback in Climate Models

KGNU - How On Earth ·

2012/11/18

Clean Tech Nation (start time: 4:57): Over the last few years renewable electricity generation has doubled, thanks in part to President Obama’s 2009 stimulus package. In fact, many clean technologies and industries have taken off, including solar, biofuels, green building and electric vehicles. But the stimulus money is about to run out, as is the … Continue reading "Clean Tech Nation//Feedback in Climate Models"

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23:18

The Dust Bowl / Population Growth

KGNU - How On Earth ·

2012/11/06

Feature #1: The Dust Bowl (start time 6:53) As bad as the drought has been recently in Colorado and other states, it pales in comparison to the nearly 10-year-long drought of the 1930s. Its unrelenting and gargantuan dust storms inspired the name “The Dust Bowl.” In southeast Colorado and other Great Plains states, children died … Continue reading "The Dust Bowl / Population Growth"

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12:03

Stopping Cancer in its Tracks – Telomerase Receptor...

KGNU - How On Earth ·

2012/11/06

Last month, CU Nobel Prize Winner Tom Cech (Check) and colleagues announced a breakthrough in their quest to stop cancer. It involves an enzyme known as telomerase (tell-AH-mer-aze), which helps cells divide almost endlessly – helpful when a child is growing. In adults, most cells stop responding to telomerase. Instead they save up a limited number of cell … Continue reading "Stopping Cancer in its Tracks – Telomerase Receptor Inhibition"

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23:23

The Life and Legacy of Rachel Carson

KGNU - How On Earth ·

2012/10/30

The Life and Legacy of Rachel Carson (start time 6:20). The book Silent Spring, published in 1962, is widely credited for setting the stage for the modern environmental movement. Its author, Rachel Carson, an unassuming field biologist and writer, uncovered how in the process of killing crop pests, chemicals such as DDT were also killing birds, fish … Continue reading "The Life and Legacy of Rachel Carson"

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23:21

CU Multidisciplinary Oil Production Study

KGNU - How On Earth ·

2012/10/24

How can we best live with natural gas development? A University of Colorado team has just been awarded an NSF grant to tackle the problem. Here to chat with us about the study is Dr. Joe Ryan, the lead-PI of the multidisciplinary team. And the lead of the study’s air quality task, Dr. Jana Milford, … Continue reading "CU Multidisciplinary Oil Production Study"

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24:28

Pledge Drive Show//Genetic-mutant Paganini

KGNU - How On Earth ·

2012/10/20

This is our 2012 Fall Pledge Drive Show and our subject is Genes Gone Bad, or do you have to be a genetic-mutant superhuman to play Paganini? Helping us answer that question is Boulder’s own and world-renowned Dr. Gregory Walker. And in a very special treat, Gregory plays the magnificent Paganini Caprice No. 24, live … Continue reading "Pledge Drive Show//Genetic-mutant Paganini"

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24:17

Boulder Nobel Science Winner//Searching for Sister Earth

KGNU - How On Earth ·

2012/10/10

We talk with Travis Metcalfe, of Boulder’s Space Science Institute, where he is searching for Sister Earth and also part of the Blue Dot Project. As for why, the past two decades have witnessed accelerating progress on one of the most fundamental questions in astronomy: Are we alone in the Universe? Astronomers have already discovered … Continue reading "Boulder Nobel Science Winner//Searching for Sister Earth"

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24:06

Neanderthals//Antarctica

KGNU - How On Earth ·

2012/10/02

Feature #1: Neanderthals (start time: 6:01) Our Neanderthal ancestors have long been maligned as rather dim-witted cave-dwellers. But they may have been brighter — and more colorful — more like us, shall we say. We turn to the BBC’s Science in Action for a look at new research into who these ancestors really were. Here’s … Continue reading "Neanderthals//Antarctica"

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24:46

Big Waves // Omega 3 Fatty Acids

KGNU - How On Earth ·

2012/09/25

Big Waves (start time 4:39): When does one plus one not equal two? When waves behave non-linearly, according to CU researchers Mark Ablowitz and Douglas Baldwin. The two have been researching how multiple water waves can add together to form a wave with a height much greater than twice the height of either wave. The mathematicians … Continue reading "Big Waves // Omega 3 Fatty Acids"

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